Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1890 - Всего страниц: 351 |
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Стр. xi
... Eye VI . GEOGRAPHICAL DISTRIBUTION OF ORGANIC BEINGS . Isolated Continents never were united Means of Dispersal These Means of Transport not accidental Dispersal during the Glacial Period The Theory of Creation inadequate . Causes of a ...
... Eye VI . GEOGRAPHICAL DISTRIBUTION OF ORGANIC BEINGS . Isolated Continents never were united Means of Dispersal These Means of Transport not accidental Dispersal during the Glacial Period The Theory of Creation inadequate . Causes of a ...
Стр. 28
... eye could perceive on a white card . These cotyledons , therefore , were affected by a difference in the amount of light on their two sides , which the eye could not distinguish . The degree of their curvature within a given time toward ...
... eye could perceive on a white card . These cotyledons , therefore , were affected by a difference in the amount of light on their two sides , which the eye could not distinguish . The degree of their curvature within a given time toward ...
Стр. 47
... eye , he has effected wonderful changes and improvements . It can , also , be clearly shown that man , without any intention or thought of improving the breed , by preserving in each successive. III THE LAWS OF VARIABILITY WITH RESPECT ...
... eye , he has effected wonderful changes and improvements . It can , also , be clearly shown that man , without any intention or thought of improving the breed , by preserving in each successive. III THE LAWS OF VARIABILITY WITH RESPECT ...
Стр. 51
... eyes is probably due to gradual reduction from disuse , but aided , perhaps , by natural selection . In South ... eyes must be injurious to any animal , and as eyes are certainly not necessary to ani- mals having subterranean habits , a ...
... eyes is probably due to gradual reduction from disuse , but aided , perhaps , by natural selection . In South ... eyes must be injurious to any animal , and as eyes are certainly not necessary to ani- mals having subterranean habits , a ...
Стр. 65
... eye is well practiced , the shepherd knows each sheep , and man can distinguish a fellow - man out of millions on millions of other men . The whole subject of inheritance is won- Page 446 . derful . When a new character arises , what ...
... eye is well practiced , the shepherd knows each sheep , and man can distinguish a fellow - man out of millions on millions of other men . The whole subject of inheritance is won- Page 446 . derful . When a new character arises , what ...
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Часто встречающиеся слова и выражения
acid acquired action adapted admit allied animals apes appear become believe birds body breeds cause character climate closely compared cotyledons crossed degree descended developed distinct species disuse domestic doubt early effects eggs embryo existence extinct eyes fact female fertilization forms gemmules genera genus geotropism Glacial habits hairs hermaphrodites highly horses increase individuals inhabitants inherited insects instance instincts islands kinds labellum lancelet larvæ leaves less living lower animals Malaxis paludosa males mammals manner mental millimetre modified monkeys movements muscles natural selection naturalists observed occasionally offspring organs Origin of Species ovules papillæ parent peculiar period pigeon plants points pollen pollinium possess present prey probably produced progenitors Quadrumana quadrupeds races radicles remarkable resemble rudimentary savages seedlings seeds seems sexes sexual elements sexual selection slight structure suppose surface tend tendency tion transmitted utricle variability variations varieties various vertebræ whole wild worms young